1 . He donated his entire ________ (collection) to the museum. (所给词的适当形式填空)

2 . The Art Gallery of Ontario has the world’s largest ________ (collect) of sculptures by Henry Moore. (所给词的适当形式填空)

3 . Robert’s_______(collect) of prints and paintings has been bought over the years. (所给词的适当形式填空)

4 . The national park has a large __________ (collect) of wildlife, ranging from butterflies to elephants. (所给词的适当形式填空)

5 . The unique painting comes from his private________(collect). (所给词的适当形式填空)

6 . They were the kind that I did not have in my ________(collect) so I placed them carefully in my bag. (所给词的适当形式填空)